Home / 173,015.28-238,779.36-101,398.32

Finding the Fourth Proportional to 173,015.28, 238,779.36 and 101,398.32

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Solution

The fourth proportional to 173,015.28, 238,779.36 and 101,398.32 is: 139,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,015.28 : 238,779.36 = 101,398.32 : x
  2. Step 2: Convert to fraction form
    173,015.28/238,779.36 = 101,398.32/x
  3. Step 3: Cross multiply
    173,015.28x = 238,779.36 × 101,398.32
  4. Step 4: Simplify right side
    173,015.28x = 24,211,825,954.68
  5. Step 5: Solve for x
    x = 24,211,825,954.68/173,015.28
  6. Step 6: Final answer
    x = 139,940.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.